Acquisition of Cleaning and Removal Services of Pond Sludge, by Lots
Provision of Sludge Removal Services from the Anaerobic Lagoon of the Vila Nova de S. Pedro Water FactoryProvision of Sludge Removal Services from the Anaerobic Lagoon of the Vila Nova de S. Pedro Water Factory
Provision of Sludge Removal Services from the Regularization Lagoon of the Torres Vedras Water FactoryProvision of Sludge Removal Services from the Regularization Lagoon of the Torres Vedras Water Factory